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American Dryer Corp AD-170 service manual Table of Contents

Models: AD-170

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Table of Contents

SECTION I
Important Information	3
A. Safety Precautions	3
SECTION II
Maintenance	4
A. Cleaning	4
B. Adjustments	5
C. Lubrication	5
SECTION III
Installation Requirements	6
A. Enclosure, Air Supply, and Exhaust Requirements	6
B. Electrical and Gas Requirements	7
C. Operational Service Check Procedure	7
SECTION IV
Desciption of Parts	8
A. Computer Panel Assembly	8
B. Control Box	8
C. DSI Module
(for Gas Models ONLY)	8
D. Gas Burner Assembly	9
E. Drive Motor	9
F. Blower Motor and Impellor
(for 60 Hz Gas Models ONLY)	9
G. Blower Motor and Impellor
(for 50/60 Hz Steam Models and 50 Hz Gas Models)	9
H. Idler Assembly	10
I. Tumbler Bearing and Pulley Arrangement	10
J. Basket (Tumbler)	10
K. Main Door Switch	11
L. Sail Switch
(for Gas Models ONLY)	11
M. Hi-Limit
(for Gas Models ONLY)	11
N. Automatic Reset Thermostat	12
O. Lint Drawer	12
P. Lint Drawer Switch	12
Q. Steam Damper System	12

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American Dryer Corp AD-170 service manual Table of Contents

Contents

AD-170 AD-170 Retain This Manual In a Safe Place For Future ReferencePage For Your Safety Table of Contents Sail Switch Assembly Important Information Safety PrecautionsCleaning Routine MaintenanceLubrication AdjustmentsEnclosure, Air Supply, and Exhaust Requirements Installation RequirementsElectrical and Gas Requirements Operational Service Check ProcedureDescription of Parts Computer Panel AssemblyControl Box DSI Module Gas Models OnlyDrive Motor Gas Burner AssemblyBlower Motor and Impellor Hz Gas Models Only Blower Motor and Impellor 50Hz, 60Hz Steam & 50Hz GasBasket Tumbler Idler AssemblyTumbler Bearing and Pulley Arrangement Hi-Limit Gas Models Only Main Door SwitchSail Switch Gas Models only Lint Drawer Switch Automatic Reset ThermostatLint Drawer Steam Damper SystemIntroduction ServicingComputer Controls To Replace Computer To Replace Keyboard Label AssemblyTo Replace Microprocessor Temperature Sensor Probe Page To Replace Main Burner Orifices To Replace Gas Valve see burner illustration onTo Test and Adjust Gas Water Column Pressure To Convert from Natural Gas to L.P. Gas To Replace Burner Tubes To Replace DSI Module Sail Switch Assembly Gas Models Only To Adjust Sail Switch To Replace Sail SwitchTo Install New Main Door Glass To Replace Main Door AssemblyTo Replace Main Door Hinge Pad To Replace Front PanelTo Replace Small Idler Pulley Pulleys To Replace Tumbler PulleyTo Replace Motor Pulley To Replace Large Idler PulleyPage To Replace Tumbler Basket or Tumbler Basket Support Basket Alignment Lateral Side to Side AdjustmentImportant Never strike the shaft directly with a hammer To Replace Front Idler Shaft Pillow Block Bearing To Replace Front Basket Support Pillow Block BearingBelts See illustrations in section F Pulleys Belt Tension Adjustment Basket to IdlerTo Replace Rear Idler Shaft Pillow Block Bearing Motors To Replace Drive Motor Belt Tension Adjustment Motor to IdlerTo Replace V-Belts Page Impellor Lint Drawer Assembly To Replace Lint ScreenTo Replace Lint Drawer Switch Computer will not accept key pad entries TroubleshootingNo display on computer Drive motor runs, burner is on, but basket will not turn Dryer will not start, but computer display indicators are onDryer operates but is taking too long to dry Dryer operates, probe sparks, but gas does not flowOverload for impellor fan motor is tripping Dryer is cycling on burner hi-limit safety thermostatThermal overload for drive motor is tripping There is excessive vibration coming from the basket Display reads dSFL. Dryer Sensor Circuit FailureDryer does not start. Display reads door Electrical Trouble Shooting Diagnostic LED Display Failure Codes Phase 5 OPL System DiagnosticsLED Display Indicators Page Page Cycle Status LED Display/CodesCY F LED Display CodesFill Computer Logic and Wiring Diagram Fault CodesPage No Display Condition Page Blower motor does not operate, drive motor runs Door condition Microprocessor reads Dsfl Motor Plate High and Low Voltage Technical InformationInformation on the Data Label Data Label Contacting American Dryer Corporation ADCHOW to USE a Manometer Using a ManometerAD-170SE Tool List ADC450400 1- 02/27/98-50